diff options
-rw-r--r-- | ryu/base/app_manager.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py index 25b043aa..f6d01475 100644 --- a/ryu/base/app_manager.py +++ b/ryu/base/app_manager.py @@ -178,8 +178,8 @@ class RyuApp(object): def unregister_handler(self, ev_cls, handler): assert callable(handler) self.event_handlers[ev_cls].remove(handler) - if not event_handlers[ev_cls]: - del event_handlers[ev_cls] + if not self.event_handlers[ev_cls]: + del self.event_handlers[ev_cls] def register_observer(self, ev_cls, name, states=None): states = states or set() |